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energy efficiency

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Earth

Coal-powered fuel cell aims for efficiency

The new device generates electricity from the fossil fuel without the need to burn it – it could help curb CO2 emissions

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Technology

What ifÂ… Electric motors pre-dated steam engines

Features

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Space

'Antimatter harvester' may fuel future spacecraft

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Earth

The filthy truth about diesel 'mules'

News

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Squeaky clean fossil fuels

News

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Technology

Fuel cell squeezes more from petrol

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Hydroelectric power's dirty secret revealed

Earth

Hydroelectric power's dirty secret revealed

News

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Earth

European trading in carbon-emission permits begins

News

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Technology

The clean green energy dream

News

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Technology

Power to the people?

News

Technology

America steels itself to take the nuclear plunge

News

Technology

Are ageing US reactors safe?

News

Power struggle

News

Brace yourself for the end of cheap oil

News

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